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Using this castable can reduce the baking time to 24 hours, and save six days compared with routine castables.
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PN-SF should be installed via self-leveling or pumping, they are well suited for use in difficult application areas including furnace roof, sidewall or water-cooling pipe.
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| Brand | PN-SF55A | PN-SF60A | PN-SF65A | PN-SF9A |
| Al2O3(%);≥ | 55 | 60 | 65 | 60 |
| Bulk density | 110℃×16h | 02.10 | 2.15 | 2.20 | 2.15 |
| (g/cm3);≥ | 1350℃×3h | 2.05 | 2.10 | 2.15 | 2.10 |
| Cold crushing strength (MPa);≥ | 110℃×16h | 20 | 20 | 25 | 20 |
| 1350℃×3h | 40 | 40 | 45 | 40 |
| Modulus of rupture (MPa);≥ | 110℃×16h | 3 | 4 | 5 | 5 |
| 1350℃×3h | 6 | 6 | 7 | 8 |
| Reheat linear change (%) | 110℃×16h | 0~0.2 | 0~0.2 | 0~0.2 | 0~0.2 |
| 1300℃×3h | 0~0.5 | 0~0.5 | 0~0.5 | 0~0.5 |
| Water addition (%) | 8.5±0.5 | 8.5±0.6 | 8.5±0.5 | 8.5±0.5 |
| Normal service temp (℃) | 1350 | 1350 | 1350 | 1350 |
| Max service temp (℃) | 1600 | 1600 | 1600 | 1600 |
| Application | Roof&wall | Water-cooled pipe |
